Lightening, yes correct, I did not see the exhaust dragging on the ground at the service station as when I was stationary it was not dragging, it was merely touching the ground. I also dismount the bike on the left, fuelled up from the left... went and paid to the left of the bike and remounted the bike from the left with my helmet back on. So I never actually saw the right hand side of the bike. If I had, I might have noticed it. As I said above, I was angry at myself for not doing a walk around before getting on. It is something I do at home before I leave. So, it's a good lesson for me and anyone else out there. I'm glad nothing more drastic happened. There are scratches that aren't that visible on the underside of the exhaust and it's all locktited up!